Concurrent patellar fracture and lateral collateral ligament avulsion as a result of trauma in three horses

Journal of the American Veterinary Medical Association
Jonathan McLellanElizabeth Taylor

Abstract

3 horses were evaluated because of lameness and swelling of the stifle joint subsequent to trauma. All horses had characteristic clinical signs of stifle joint pain and effusion. A medial patellar fracture and lateral collateral ligament avulsion fracture were visible ultrasonographically in each. Radiography, including standard as well as flexed lateromedial, cranioproximal-craniodistal oblique (skyline patellar), and laterally stressed caudocranial views, revealed similar findings. Arthroscopic surgery to remove the patellar fracture was attempted in 1 horse with severe desmitis of the lateral collateral ligament; it remained lame afterward. The other 2 horses, with less severe collateral ligament damage, were managed conservatively and returned to athletic use, despite the lack of surgical intervention to repair the patellar fractures. Special radiographic views were necessary for diagnosis of medial patellar fracture and lateral collateral ligament avulsion fracture in the 3 horses. Ultrasonographic findings pertaining to the collateral ligament may be prognostically important in such situations. The severity of a fracture involving ligament avulsion may be the limiting factor in horses with this combined injury, and this f...Continue Reading

References

Jan 1, 1988·Equine Veterinary Journal·A H Parks, G Wyn-Jones
Jul 1, 1983·Equine Veterinary Journal·K J Dik, F Nemeth
Jan 1, 1982·Equine Veterinary Journal·L B Jeffcott, S E Kold
Jun 9, 2000·Journal of the American Veterinary Medical Association·G P Marble, K E Sullins

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